Q:

What are the problems with autoclaved aerated concrete?

A:

Quick Answer

Disadvantages associated with autoclaved aerated concrete, or AAC, include increased cost, poor consistency and increased training necessary to properly build a structure when compared to similar products.

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Full Answer

Currently, there are very few producers of AAC in the United States. This means AAC must be imported from overseas, which drives up the cost. Also, consistency of color is hard to find and maintain with AAC. Builders that wish to use AAC must undergo special training because AAC is a very porous material and the method for applying mortar is different than other kinds of concrete. Positive features of AAC, on the other hand, include excellent heat and sound insulation, light weight and the ability to recycle old AAC.

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